Finding the Fourth Proportional to 10,667.46, 15,997.14 and 5,117.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667.46 : 15,997.14 = 5,117.34 : x
2. Step 2: Convert to fraction form
   10,667.46/15,997.14 = 5,117.34/x
3. Step 3: Cross multiply
   10,667.46x = 15,997.14 × 5,117.34
4. Step 4: Simplify right side
   10,667.46x = 81,862,804.41
5. Step 5: Solve for x
   x = 81,862,804.41/10,667.46
6. Step 6: Final answer
   x = 7,674.07